ak4648 AKM Semiconductor, Inc., ak4648 Datasheet - Page 91
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ak4648
Manufacturer Part Number
ak4648
Description
Stereo Codec With Mic/hp/spk-amp
Manufacturer
AKM Semiconductor, Inc.
Datasheet
1.AK4648.pdf
(119 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ak4648EC-L
Manufacturer:
AKM
Quantity:
20 000
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MS0625-E-01
Addr
0EH
Addr
0BH
VBAT: HP-Amp Common Voltage (Table 62)
LMTH1: ALC Limiter Detection Level / Recovery Counter Reset Level (Table 27)
RGAIN1: ALC Recovery GAIN Step (Table 31)
DEM1-0: De-emphasis Frequency Select (Table 36)
FBEQ: 5-Band Equalizer Enable
DVOLC: Output Digital Volume Control Mode Select
SMUTE: Soft Mute Control
LOOP: Digital Loopback Mode
0: 0.5 x HVDD (default)
1: 0.64 x AVDD
Default: “01” (OFF)
0: Disable (default)
1: Enable
0: Independent
1: Dependent (default)
0: Normal Operation (default)
1: DAC outputs soft-muted
0: SDTI → DAC (default)
1: SDTO → DAC
Register Name
Mode Control 3
Register Name
ALC Mode Control 3
When DVOLC bit = “1”, DVL7-0 bits control both Lch and Rch volume level, while register values of
DVL7-0 bits are not written to DVR7-0 bits. When DVOLC bit = “0”, DVL7-0 bits control Lch level and
DVR7-0 bits control Rch level, respectively.
Default
Default
R/W
R/W
RGAIN1
R/W
D7
RD
0
D7
0
0
LMTH1
LOOP
R/W
R/W
D6
D6
0
0
- 91 -
SMUTE
R/W
RD
D5
D5
0
0
0
DVOLC
R/W
RD
D4
D4
0
0
1
RD
RD
D3
D3
0
0
0
0
FBEQ
R/W
RD
D2
D2
0
0
0
VBAT
DEM1
R/W
R/W
D1
D1
0
0
[AK4648]
2007/06
DEM0
R/W
RD
D0
D0
0
0
1
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